CN113828023A - Solid-liquid filter-pressing separation's sewage treatment system of mill - Google Patents
Solid-liquid filter-pressing separation's sewage treatment system of mill Download PDFInfo
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- CN113828023A CN113828023A CN202111363076.7A CN202111363076A CN113828023A CN 113828023 A CN113828023 A CN 113828023A CN 202111363076 A CN202111363076 A CN 202111363076A CN 113828023 A CN113828023 A CN 113828023A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/164—Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/172—Plate spreading means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/30—Feeding devices ; Discharge devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/30—Feeding devices ; Discharge devices
- B01D25/305—Feeding devices ; Discharge devices for discharging filtrate
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- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and provides a factory sewage treatment system for solid-liquid filter-pressing separation, which comprises a filter press, an injection assembly, a jacking assembly and a turning plate assembly, wherein the filter press comprises a filter press box and a plurality of filter press plates distributed along the interior of the filter press box, a filter press chamber is formed between every two adjacent filter press plates, the filter press chamber is communicated with the injection assembly positioned on one side of the filter press box, one end of the filter press box is provided with the jacking assembly for applying force to and compressing the plurality of filter press plates, the other end of the filter press box is provided with the turning plate assembly for turning and discharging mud cakes between the adjacent filter press plates, the filter press further comprises filter cloth, the filter cloth is distributed on the side wall of the filter press box, and the outer side of the filter cloth is communicated with a liquid collecting box. The invention can rapidly complete the filter pressing action, separate the sewage from solid impurities, rapidly discharge mud cakes under the action of the turning plate assembly, is convenient and fast to operate, and can realize the continuous separation operation of solid-liquid sewage.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a factory sewage treatment system for solid-liquid filter-pressing separation.
Background
With the rapid development of the industrialization level, in the treatment of factory sewage, in order to improve the efficiency and reduce the cost. It is often necessary to perform solid-liquid separation on a slurry obtained by mixing solid-liquid substances in factory sewage, and filter-pressing separation is a common solid-liquid separation technique. The filter press is the most effective solid-liquid separation equipment at present, and the traditional filter press applies certain pressure to a solid-liquid mixture by utilizing a plurality of movable filter plates and filter media so as to dialyze the liquid. It requires moving the movable end by means of a cylinder to press all the filter plates together to form a closed filter chamber between the filter plates, and then pumping the slurry into the filter chamber by means of a feed pump for solid-liquid separation. This mode results in low separation efficiency, low production efficiency and incomplete solid-liquid separation.
Especially, can't effectively squeeze into every filter chamber with thick liquids before the filter-pressing, the one end that needs drive the activity with the help of the jar of pressing of big stroke when the filter-pressing removes, behind the filter-pressing, the back is dialyzed out to liquid, to the unable effective quick discharge of solid that remains in the filter-pressing machine, need deposit the accumulation many times after the clearance of digging out in unison, waste time and energy, reduced whole mill sewage treatment's efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the factory sewage treatment system which can divide and compress slurry into mud cakes and adopts plunger top pressing and turning over for discharging solid and liquid filter pressing separation.
In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:
in a first aspect, in an embodiment provided by the present invention, a solid-liquid filter-pressing separated factory sewage treatment system is provided, which includes a filter press, an injection assembly, a top pressing assembly, and a flap assembly, where the filter press includes a filter press box and a plurality of filter press plates distributed along the inside of the filter press box, a filter press chamber is formed between adjacent filter press plates, the filter press chamber is communicated with the injection assembly located at one side of the filter press box, the top pressing assembly for applying force to and compressing the plurality of filter press plates is arranged at one end of the filter press box, the flap assembly for turning over and discharging mud cakes between adjacent filter press plates is arranged at the other end of the filter press box, the filter press further includes filter cloth, the filter cloth is distributed on the side wall of the filter press box, and the outside of the filter cloth is communicated with a liquid collection tank.
In some embodiments provided by the invention, a buffer member is arranged between adjacent filter-pressing plates in the filter-pressing box, the buffer member is fixed on the adjacent filter-pressing plates, a buffer groove for placing the buffer member is arranged on the filter-pressing plates, when the adjacent filter-pressing plates are pressed and attached, the buffer member positioned between the adjacent filter-pressing plates is compressed and placed in the buffer groove opposite to the adjacent filter-pressing plates, so that irreversible damage to the buffer member or filter-pressing plates which cannot be fully pressed due to the existence of the buffer member are avoided to complete filter-pressing operation.
In some embodiments provided by the present invention, the buffer members are springs, and the springs are distributed at four corners of adjacent filter-pressing plates, and are used for buffering the impact of the adjacent filter-pressing plates during filter-pressing, and separating the adjacent filter-pressing plates after the filter-pressing is finished.
In some embodiments provided herein, the outer side wall of the filter press plate is flush with the inner side wall of the filter press box and is slidably disposed along the inner side of the filter press box.
In some embodiments provided by the present invention, a guide chute perpendicular to the side wall of the filter press plate is disposed on the inner side wall of the filter press box, and a slide block slidably disposed along the guide chute is disposed on the side wall of the filter press box.
In some embodiments provided by the invention, the injection assembly comprises mud inlet pipes distributed along the outer side wall of the filter-pressing box, the mud inlet pipes are communicated with filter-pressing chambers in the filter-pressing box one by one through a plurality of shunting nozzles arranged on the side wall of the filter-pressing box, the filter-pressing plates are distributed in the filter-pressing box under the reset of the jacking assembly and the elasticity of the buffer piece, the shunting nozzles are communicated with the filter-pressing chambers between the adjacent filter-pressing plates one by one at the moment, so that solid-liquid mixed sewage is conveniently injected into the filter-pressing machine through the mud inlet pipes, and the other end of the mud inlet pipe is connected with a mud pump for pumping through the mud pump.
In some embodiments provided by the invention, the top pressure assembly comprises a top plate and a plunger, the filter pressing plate is located in a filter pressing box on one side of the top plate, the plunger is located in a filter pressing box on the other side of the top plate, wherein the plunger is arranged in a sliding manner along the inner side wall of the filter pressing box, a hydraulic cavity is formed between the plunger and the filter pressing box, a filter pressing piston located in the hydraulic cavity is arranged on the outer side wall of the plunger, the filter pressing piston is located on one side, facing the top plate, of the hydraulic cavity, the hydraulic cavity is communicated with a filter pressing pump through a filter pressing oil pipe, and when the plunger is driven, the filter pressing piston, the plunger and the top plate are pushed towards the filter pressing plate in a mode of pumping high-pressure oil into the hydraulic cavities of the plunger and the filter pressing box, so that the filter pressing plate press-presses and presses solid-liquid mixed sewage in the filter pressing chamber.
In some embodiments provided by the present invention, the filter cloth is distributed on the side walls of both sides of the filter press box, the liquid collection box is fixed on the filter press box outside the filter cloth, the liquid collection box is used for collecting sewage discharged by filter press of the filter cloth, and the liquid collection box is connected with a liquid discharge pipe for discharging the collected sewage.
In some embodiments provided by the invention, the turning plate assembly comprises a rotating shaft rotatably arranged on the filter press box, and a bottom plate and side plates fixed on the rotating shaft, wherein the bottom plate and the side plates are fixedly connected and flush with the bottom wall and the side wall of the filter press box, the number of the bottom plate and the side plates which are integrally connected with each other on the rotating shaft is equal to the number of the filter press chambers and corresponds to the number of the filter press chambers one by one, and when the rotating shaft is driven to rotate, the side plates are used for downwards shifting mud cakes generated by filter pressing in the filter press chambers and discharging the mud cakes from openings of the turning grooves at the positions of the bottom plate at the bottom of the filter press box.
In some embodiments provided by the invention, a conveying belt is arranged below the filter-pressing box, and when the plate-turning assembly discharges the mud cakes, the mud cakes fall onto the conveying belt and are conveyed and discharged, so that solid-liquid filter-pressing separation is realized.
Compared with the prior art, the invention has the beneficial effects that:
according to the factory sewage treatment system with solid-liquid filter-pressing separation, solid-liquid sewage is injected into each filter-pressing chamber of the filter press through the injection assembly, filter-pressing action is completed under the driving of the jacking assembly, the sewage is separated from solid impurities, mud cakes are quickly discharged under the action of the turnover plate assembly, the operation is convenient and fast, and continuous separation operation of the solid-liquid sewage can be realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic structural diagram of a plant sewage treatment system for solid-liquid filter-pressing separation according to the present invention.
FIG. 2 is a schematic structural diagram of a top pressure assembly in the solid-liquid filter-pressing separation factory sewage treatment system.
FIG. 3 is a schematic structural diagram of an overturning component in the solid-liquid filter-pressing separation factory sewage treatment system.
In the figure: 11-filter pressing box, 12-filter pressing plate, 13-filter cloth, 14-filter pressing chamber, 15-buffer piece, 21-mud inlet pipe, 22-shunt nozzle, 23-mud pump, 31-top plate, 32-plunger, 33-hydraulic cavity, 34-filter pressing piston, 35-filter pressing pipe, 36-filter pressing pump, 41-rotating shaft, 42-bottom plate, 43-side plate, 44-turnover tank, 51-liquid collecting box, 52-liquid discharging pipe and 53-conveying belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to solve the problem that sewage containing solid and liquid can not be effectively subjected to filter pressing separation during the sewage treatment of the current factory, so that the sewage can not be effectively distributed in each filter pressing chamber of filter pressing equipment before filter pressing, a large-stroke hydraulic cylinder or pneumatic cylinder needs to be installed during filter pressing for injection, the sewage after filter pressing is difficult to separate from mud cakes, and the mud cakes are difficult to discharge. In order to solve the problems, the embodiment of the invention provides the factory sewage treatment system for solid-liquid filter-pressing separation, which completes filter pressing by means of plunger jacking, separates sewage in a filter pressing stage, and discharges the sewage after filter pressing through overturning mud cakes, improves the efficiency of solid-liquid filter-pressing separation, and is suitable for continuous separation operation of solid-liquid sewage.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Fig. 1 shows a schematic structural diagram of the present invention.
As shown in FIG. 1, in the preferred embodiment provided by the invention, the solid-liquid filter-pressing separation factory sewage treatment system comprises a filter press, an injection assembly, a top pressing assembly and a flap assembly.
In the embodiment of the invention, the filter press comprises a filter press box 11 and a plurality of filter press plates 12 distributed along the inside of the filter press box 11, wherein a filter press chamber 14 is formed between adjacent filter press plates 12, and the filter press chamber 14 is communicated with an injection assembly positioned at one side of the filter press box 11.
In the embodiment of the invention, the buffer members 15 are arranged between the adjacent filter-pressing plates 12 in the filter-pressing box 11, the buffer members 15 are fixed on the adjacent filter-pressing plates 12, the buffer grooves for placing the buffer members 15 are arranged on the filter-pressing plates 12, when the adjacent filter-pressing plates 12 are pressed and attached, the buffer members 15 positioned between the adjacent filter-pressing plates 12 are compressed and placed in the buffer grooves corresponding to the adjacent filter-pressing plates 12, so that the irreversible damage to the buffer members 15 is avoided or the filter-pressing plates 12 cannot be fully pressed and pressed due to the existence of the buffer members 15 to complete the filter-pressing operation.
Preferably, the buffer member 15 is a spring, and the spring is distributed at four corners of the adjacent filter pressing plates 12, and is used for buffering the impact when the adjacent filter pressing plates 12 are subjected to filter pressing, and separating the adjacent filter pressing plates 12 after the filter pressing is finished.
It will be appreciated that in the present embodiment, the springs are the necessary structural members mounted between adjacent filter press plates 12 for expanding the adjacent filter press plates 12 to form the filter press chamber 14, and also the necessary structural members for returning the filter press plates 12 pressed together at the time of filter pressing. The springs may be disposed at any position between the adjacent filter press plates 12, in addition to the four corners of the adjacent filter press plates 12, without affecting the filter press operation.
In the embodiment of the present invention, in order to ensure that the filter press plate 12 slides along the filter press box 11 without tilting, it is preferable that the outer side wall of the filter press plate 12 is flush with the inner side wall of the filter press box 11 and is slidably disposed along the inner side of the filter press box 11. In other embodiments of the present invention, a guide chute perpendicular to the side wall of the filter press plate 12 may be further disposed on the inner side wall of the filter press box 11, and a sliding block slidably disposed along the guide chute is disposed on the side wall of the filter press box 11. The above structure can ensure that the filter press plate 12 slides smoothly along the filter press box 11.
In the embodiment of the invention, the injection assembly comprises mud inlet pipes 21 distributed along the outer side wall of the filter-pressing box 11, the mud inlet pipes 21 are communicated with the filter-pressing chambers 14 in the filter-pressing box 11 one by one through a plurality of shunting nozzles 22 arranged on the side wall of the filter-pressing box 11, the filter-pressing plates 12 are distributed in the filter-pressing box 11 under the reset of the jacking assembly and the elasticity of the buffer piece 15, at the moment, the shunting nozzles 22 are communicated with the filter-pressing chambers 14 between the adjacent filter-pressing plates 12 one by one, so that the solid-liquid mixed sewage is conveniently injected into the filter-pressing machine through the mud inlet pipes 21, and the other ends of the mud inlet pipes 21 are connected with a mud pump 23 and pumped by the mud pump 23.
In the embodiment of the invention, one end of the filter press box 11 is provided with a jacking component for applying force to and compressing the plurality of filter press plates 12, and the other end of the filter press box 11 is provided with a flap component for turning over and discharging mud cakes between adjacent filter press plates 12.
As shown in fig. 1 and 2, the pressing assembly includes a top plate 31 and a plunger 32, the filter press plates 12 are located in the filter press box 11 on one side of the top plate 31, the plungers 32 are located in the filter press box 11 on the other side of the top plate 31, wherein the plunger 32 is arranged along the inner side wall of the filter pressing box 11 in a sliding way, a hydraulic cavity 33 is formed between the plunger 32 and the filter pressing box 11, a filter pressing piston 34 positioned in the hydraulic cavity 33 is arranged on the outer side wall of the plunger 32, the filter pressing piston 34 is positioned on one side of the hydraulic cavity 33 facing the top plate 31, the hydraulic cavity 33 is communicated with a filter pressing pump 36 through a filter pressing pipe 35, during driving, the filter press piston 34, the plunger 32, and the top plate 31 are pushed toward the filter press plate 12 by pumping high-pressure oil into the hydraulic chamber 33 located between the plunger 32 and the filter press case 11, so that the filter press plate 12 filter-presses the solid-liquid mixed sewage contained in the filter press chamber 14.
Referring to fig. 1 and 3, the flap assembly includes a rotating shaft 41 rotatably disposed on the filter press box 11, and a bottom plate 42 and a side plate 43 fixed on the rotating shaft 41, the bottom plate 42 and the side plate 43 are fixedly connected and flush with the bottom wall and the side wall of the filter press box 11, the number of the bottom plate 42 and the side plate 43 integrally connected to each other on the rotating shaft 41 is equal to and one-to-one corresponding to the number of the filter press chambers 14, and when the rotating shaft 41 is driven to rotate, the side plate 43 shifts downward mud cakes generated by filter press in the filter press chambers 14, and the mud cakes are discharged from an opening of the turnover groove 44 at the position of the bottom plate 42 at the bottom of the filter press box 11.
Preferably, in the embodiment of the invention, a conveyer belt 53 is arranged below the filter-pressing box 11, and when the flap assembly discharges the mud cake, the mud cake falls onto the conveyer belt 53 and is conveyed and discharged, so that solid-liquid filter-pressing separation is realized.
In one embodiment of the invention, the filter press further comprises filter cloth 13, the filter cloth 13 is distributed on the side wall of the filter press box 11, and the outer side of the filter cloth 13 is communicated with a liquid collecting box 51. The filter cloth 13 is distributed on the side walls of two sides of the filter press box 11, the liquid collection box 51 is fixed on the filter press box 11 outside the filter cloth 13, the liquid collection box 51 is used for collecting sewage discharged by filter pressing of the filter cloth 13, and the liquid collection box 51 is connected with a liquid discharge pipe 52 for discharging the collected sewage.
The working principle of the invention is as follows:
the system injects the solid-liquid sewage into each filter pressing chamber 14 of the filter press through the injection assembly, completes filter pressing action under the driving of the jacking assembly, separates the sewage from solid impurities, and quickly discharges mud cakes under the action of the turning plate assembly, is convenient to operate, and can realize continuous separation operation of the solid-liquid sewage.
In order to ensure the rapid discharge of the mud cakes, after the filter pressing pump 36 injects hydraulic oil into the hydraulic cavity 33 to compact the solids in the filter pressing chamber 14 between the adjacent filter pressing plates 12, a certain gap is reserved between the adjacent filter pressing plates 12 and the compacted solid mud cakes between the adjacent filter pressing plates 12 in a mode of reversely pumping part of the hydraulic oil, and the mud cakes can be discharged by the action of the turning plate assembly when the turning plate assembly is positioned between the adjacent filter pressing plates 12.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A solid-liquid filter-pressing separated factory sewage treatment system is characterized by comprising a filter press, an injection assembly, a jacking assembly and a turnover plate assembly; the filter press comprises a filter press box (11) and edges, wherein the filter press box (11) is internally provided with a plurality of filter press plates (12) which are distributed, a filter press chamber (14) is formed between the adjacent filter press plates (12), the filter press chamber (14) is communicated with an injection assembly positioned on one side of the filter press box (11), one end of the filter press box (11) is provided with a jacking assembly for compressing the force applied to the plurality of filter press plates (12), the other end of the filter press box (11) is provided with a turning plate assembly for turning and discharging mud cakes between the adjacent filter press plates (12), the filter press further comprises filter cloth (13), the filter cloth (13) is distributed on the side wall of the filter press box (11), and the outside of the filter cloth (13) is communicated with a liquid collecting tank (51).
2. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 1, wherein: be equipped with bolster (15) between the adjacent filter-pressing board (12) in filter-pressing case (11), bolster (15) are fixed on adjacent filter-pressing board (12), be equipped with on filter-pressing board (12) and be used for the dashpot that bolster (15) were put into.
3. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 2, wherein: the buffer parts (15) are springs which are distributed at four corners of the adjacent filter pressing plates (12).
4. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 3, wherein: the outer side wall of the filter pressing plate (12) is flush with the inner side wall of the filter pressing box (11) and is arranged along the inner side of the filter pressing box (11) in a sliding mode.
5. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 3, wherein: the filter-pressing box is characterized in that a guide sliding groove perpendicular to the side wall of the filter-pressing plate (12) is formed in the inner side wall of the filter-pressing box (11), and a sliding block arranged in a sliding mode along the guide sliding groove is formed in the side wall of the filter-pressing box (11).
6. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 1, wherein: the injection assembly comprises mud inlet pipes (21) distributed along the outer side wall of the filter-pressing box (11), the mud inlet pipes (21) are communicated with filter-pressing chambers (14) in the filter-pressing box (11) one by one through a plurality of shunting nozzles (22) arranged on the side wall of the filter-pressing box (11), and the other ends of the mud inlet pipes (21) are connected with a mud pump (23).
7. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 1, wherein: the jacking assembly comprises a top plate (31) and a plunger (32), the filter pressing plate (12) is positioned in the filter pressing box (11) on one side of the top plate (31), and the plunger (32) is positioned in the filter pressing box (11) on the other side of the top plate (31).
8. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 7, wherein: plunger (32) are followed filter-pressing case (11) inside wall slides and sets up, be formed with hydraulic pressure chamber (33) between plunger (32) and filter-pressing case (11), be equipped with filter-pressing piston (34) that are arranged in hydraulic pressure chamber (33) on plunger (32) lateral wall, filter-pressing piston (34) are located one side of hydraulic pressure chamber (33) towards roof (31), hydraulic pressure chamber (33) are through pressure oil filter pipe (35) intercommunication filter-pressing pump (36).
9. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 1, wherein: the filter cloth (13) is distributed on the side walls of two sides of the filter press box (11), and the liquid collecting box (51) is fixed on the filter press box (11) outside the filter cloth (13).
10. The solid-liquid filter-pressing separation factory sewage treatment system according to claim 1, wherein: the turning plate assembly comprises a rotating shaft (41) rotatably arranged on the filter press box (11) and a bottom plate (42) and a side plate (43) fixed on the rotating shaft (41), the bottom plate (42) and the side plate (43) are fixedly connected and flush with the bottom wall and the side wall of the filter press box (11), and the bottom plate (42) and the side plate (43) which are connected with each other into a whole on the rotating shaft (41) are equal in number and correspond to the filter press chambers (14) one by one.
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| CN202111363076.7A CN113828023B (en) | 2021-11-17 | 2021-11-17 | Solid-liquid filter-pressing separation's sewage treatment system of mill |
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| CN202111363076.7A CN113828023B (en) | 2021-11-17 | 2021-11-17 | Solid-liquid filter-pressing separation's sewage treatment system of mill |
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